Respuesta :

Answer:

i)37 degrees

ii)BC=6.02cm,DC=4.02cm

Step-by-step explanation:

i)Angle BAC =18o degrees-(90 degrees + 53 degrees)

                       =37 degrees

ii)sin 37=Opp./Hyp.=BC/AB

 0.602=opp/10

BC=6.02cm

DC=6.02cm-2cm=4.02cm